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great video, helped me with my exams. It took you 17 minutes to explain uwb whereas my professor had taken 30 minutes and still failed to explain it. Cheers, keep it up!

The killer app is UWB at layer one and ATM at layer 2 to set up an ad hoc dynamic mesh communication network. This will enable true (not kludgy like TCP/IP) connections between mesh nodes. Further, it eliminates the need for carriers (e.g. AT&T). IP can barely make 20 hops in 1/8 sec (required by voice) so it can't be used in a broad area mesh. A hop is a "step" from one node to another. Rather, most distance is covered on a "backbone" in a couple hops (e.g over microwave, cable, or fiber). ATM, on the other hand, can do tens of thousands of hops per second so a backbone isn't necessary to minimize hops. Prediction: UWB/ATM will (after political obstructions are mitigated) become the "only" communication mechanism. Others can't compete.This will allow power (and thus distance between nodes) to be increased dramatically without interference. Power will automatically scale up as nodes become more sparse (e.g. going across Wyoming) and reduce with concentration (e.g. in a entertainment venue of 1000s of nodes). Both UWB and ATM protocols have inherent security and efficiency as well as enormous scalability. Costs will drop dramatically. For example, cheap nodes (like clay pigeons) could be distributed along a rural road to lay down a path in a remote area in a matter of minutes. With the low power consumption, their batteries could last years. At the other extreme, all cell phones would be nodes so communications in a stadium automatically scales as the venue fills up. The networks would be self forming and annealing. In the beginning radio was by sparks...and was chaos. We now return to sparks (UWB is essentially precision timed sparks), mitigating the chaos in the time domain rather than the frequency domain. Both ATM and UWB have been hijacked by protected marketers (e.g. carriers and equipment manufacturers) for over 20 years now. Enough is enough.

Thank you Gary. It's almost all the info I need to know for selecting this sensor to use in my college project.

12:00 mindbogglingly simplistic pictures (which require several years of practice at most) in a gallery - are called "art" unimaginably complex communication and location system (built upon knowledge gathered by generations of brightest people) used to find those pictures - it's just an "appliance"

Great content, quick question on the material being used, I read somewhere that some of the chips use GaAs as a substrate material, curious to understand what role GaAs plays in AirTag and possibly other UWB products?

Very exciting potential for UWB! Great video 👍🏻

1. This technology is adapted by iPhone 11 and Samsung galaxy note 20 ultra. 2. Uwb is better than blue tooth and wifi 3. Uwb uses less power 4. Can track how far things are. 5. It is very good for security Eg: if you try to send some high radio frequency key towards car a sometimes car unlocks n all, but in case uwb this can't happen. 6. Used for finding people in the crowd, finding lost ear phones, finding cars in the parking. 7. Still they are coming up with ideas that how they can use uwb in automated industries.

Brilliant explanation

Thrilled to see that in future devices

Gary, THAK YOU FOR SUCH A GREAT REVIEW!!!!!!!!!!

Excellent explanation!

UWB actually a very useful technology, we can find survivors of disasters or locate missing people.

0:44 As a CB'er and Pirate Ham, i understand Radio pretty good, but wow with the stuff they can do

Thanks for this amazing informational video.

Great vidéo thank you! One thing I'm still not sure to understand is how an iPhone is able to localize an Airtag since there is only one Anchor (the iPhone) and one Tag (the Airtag) and not 3+ anchors like you mentioned in the 3 ways to localize with UWB. Is it working because the iPhone is only giving you the direction and not the precise location of the item in your house, and moving around scanning with your iPhone is like have multiple anchors because the position of the anchor moves over time and the Phone generates a map of your place on the fly using Gyro and camera?

Hey, Gary can you please make a video about mainframes?

hello gary could you do me favor and explain gaa fet vs finfet and what are their benifits because i heard TSMC will drop finfet and focus in gaafet thanks man

The u1 chip is probably the most under-utilised feature on my iPhone 11 at the moment

3:33 Would BT-LowEnergy (like used in CoronaApps) be under this red line as well?

UWB chips mentioned in the video are NXP chips. More smartphone manufacturers are bound to follow. Expect similar chips in non-smartphone applications.

Could this be used for connecting Apple Glasses to the iPhone?

The point about not having to license/get permission for use pf a frequency below a certain power level is interesting. I wonder if there is video content there to explore any inventive ways it used?

The "Examples" slide suggests that there is a separation between Indoor navigation and Smartphones. Yet, since Smartphones start to be UWB enabled, couldn't they be also used for Indoor Navigation?

0:19 Are they technically compatible (if the software allowes it)? E.g. to locate an AirTag with an SamsungGalaxyNote20ultra?

Imagine a future where you’ll be able to hand off app states between devices or voltron them together using UWB + WiFi

could you use this as wireless usb? put the phone down on a pad, wordlessly charge it while also in the pad would be a uwb antenna and over that you could connect the phone to a pc or simulate a usbc connection to a dock (like dex thingie or those things for macs with hdmi and double usb)

Hi, I just cam across your video and saw the part of the NFL. That part is a little inaccurate. UWB is not used for camera tracking, it is used for stats calculation, thanks to the UWB tags in the shoulder pads we can see the information regarding speed, acceleration and position in the field with an error margin of 5cm. The ball also has an UWB tag. That one was trickier to attach.

*GARY!!!* *Good morning Professor!* *Good morning fellow classmates!* Stay Safe Out There Everyone!

6:35 Is the localization accuracy not even better than 1dm? Like seen from Apples AirTags. I heard about less than 1cm or even around 1mm. You said around cm but it showes 10cm to 50cm.

Could uwb substitue BT?

Anything on privacy/security encryption analysis? I get it's very interesting for short range pinpoint applications as well as low power, which makes it very very interesting, but most of the problems I have with current wireless tech all gets down to lack of privacy and security. I understood that this has an advantage over keyfobs as proximity is necessary and all, but say someone finds a way to clone the entire thing instead of trying to activate it at a distance.

Few years ago NFL used active RFID tags for tracking the game.

Till i know that right now at the end of October 2020 , only apple let the app developers use its api to access the use of UWB of iphone 11,12 but only work between iphone and all apple UWB devices , but it will not work with other third party UWB devices or other brand of UWB devices , so does anyone know ? , is there the code or software API of IOS or Android that allow the app developers to access and develop the use of UWB of iphone 11, 12 or samsung galaxy 20 note ultra ,xiaomi mi10 WITH the other UWB devices or arduino?

Here in New York City the 7 train is using UWB CBTC tech. If UWB CBTC tech is successful all the lines will use UWB CBTC.

I see gary's video and i click play.

would we be seeing any new earphones or external display utilizing UWB?

they could add uwb to desktops/all in 1 to power on when users device is nearby

Why have I never heard of this before? It seems safer than Bluetooth, 5G even wifi since its lower power.

How come UWB not widely use in the market? Only AirTag

I don't get the sentiment that UWB would provide more security...a malicious software defined radio just need to adapt to the three shown pairing approaches with varying signal phase/power changes to still pull of relay attacks, no?

Would we see audio devices like speakers or earphones using UWB in future instead of bluetooth since its power consumption is so low?🧐🤔

so, this will be another toggle in my Android quick settings

In soccer, you could have this in players boots to detect offsides and goals.

Any city deploying a thousand UWB outdoor anchors? will make small self-driving delivery vehicles (pizza) way more reliable.

What effect is this going to have on Radio Controled Aircraft/cars, I have gear that runs on 800/900mhz as well as 1.2/1.3ghz and 5.8ghz ....and 2.14ghz

Wow

👍

Gary, you might want to add #Airtags to the title or keywords 😁🤓 Hope this video get's some more traction thanks to Apple Airtags

What is different between modem and antenna ????

Basically there are 3 types of radio transmissions: short range, middle range, and long range. I suppose you can add super long range for interstellar transmission. Short range types include Bluetooth and UWB. Middle range types include WiFi. Long range types include radio for outdoors like music stations. I am not clear on the relationship of range and power. Is range proportional to power? You can have a powerful Bluetooth signal in the multi watts of intensity, but because it’s Bluetooth, it can only travel a short distance before it dissipates to be useful to carry any data?

Too bad it has a low no. of views and likes, it is very interesting and useful to know. Maybe a short version, with graphics will be good to have, for the general public, not only tech pasionates.

FM means Frequency modulation (used for ultra short waves, UKW) and AM amplitude modulation (used on medium wave frequencies) . Phase modulation would be PM. Why do you write MHz, Ghz so chaotic, random false? Hertz stays Hertz, no matter, wether Million or Billion.

In newer phones like Samsung it is always on.

Finding someone in a crowd 2021: What is a crowd?

What materials block neighbors from getting in my devices in my home , their hacking me as I write this

Meditation battle. This was Quarantine right? They we connecting different peoples phone invisible long distance then we were meditation battling.

I can Stalk someone to the cm, Ok sound's good LoL

This video aged well

Hi Gary! How are you doing...

Ummm. Yeah, uh-huh pulses and infrastructure... phases and antennas. I know all about UWB 🤕

Will this be used to further mass surveillance??? 1984! The dark knight's prediction coming true!

So UWB more advanced than Bluetooth 5.1?

So basically... this a tracking device? Like the AirTag by Apple?